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https://github.com/stargieg/bacnet-stack
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add uci header and wrapper functions
This commit is contained in:
Patrick Grimm
parent
01349ec9e8
commit
d15d16f681
47
include/ucix.h
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47
include/ucix.h
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*
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* Copyright (C) 2008 John Crispin <blogic@openwrt.org>
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*/
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#ifndef _UCI_H__
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#define _UCI_H__
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struct uci_context* ucix_init(const char *config_file);
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struct uci_context* ucix_init_path(const char *path, const char *config_file);
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void ucix_cleanup(struct uci_context *ctx);
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void ucix_save(struct uci_context *ctx);
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void ucix_save_state(struct uci_context *ctx);
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const char* ucix_get_option(struct uci_context *ctx,
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const char *p, const char *s, const char *o);
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int ucix_get_list(char *value[254][64], struct uci_context *ctx,
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const char *p, const char *s, const char *o);
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int ucix_get_option_int(struct uci_context *ctx,
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const char *p, const char *s, const char *o, int def);
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void ucix_add_section(struct uci_context *ctx,
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const char *p, const char *s, const char *t);
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void ucix_add_option(struct uci_context *ctx,
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const char *p, const char *s, const char *o, const char *t);
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void ucix_add_option_int(struct uci_context *ctx,
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const char *p, const char *s, const char *o, int t);
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int ucix_commit(struct uci_context *ctx, const char *p);
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void ucix_revert(struct uci_context *ctx,
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const char *p, const char *s, const char *o);
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void ucix_del(struct uci_context *ctx, const char *p,
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const char *s, const char *o);
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bool ucix_string_copy(char *dest, size_t i, char *src);
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void ucix_for_each_section_type(struct uci_context *ctx,
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const char *p, const char *t,
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void (*cb)(const char*, void*), void *priv);
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#endif
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229
src/ucix.c
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229
src/ucix.c
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@ -0,0 +1,229 @@
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*
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* Copyright (C) 2008 John Crispin <blogic@openwrt.org>
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*/
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#include <stdbool.h>
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#include <string.h>
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#include <stdlib.h>
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#include <uci_config.h>
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#include <uci.h>
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#include "ucix.h"
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//#include "log.h"
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static struct uci_ptr ptr;
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static inline int ucix_get_ptr(struct uci_context *ctx, const char *p, const char *s, const char *o, const char *t)
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{
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memset(&ptr, 0, sizeof(ptr));
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ptr.package = p;
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ptr.section = s;
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ptr.option = o;
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ptr.value = t;
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return uci_lookup_ptr(ctx, &ptr, NULL, true);
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}
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struct uci_context* ucix_init(const char *config_file)
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{
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struct uci_context *ctx = uci_alloc_context();
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uci_add_delta_path(ctx, "/var/state");
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if(uci_load(ctx, config_file, NULL) != UCI_OK)
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{
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fprintf(stderr, "%s/%s is missing or corrupt\n", ctx->savedir, config_file);
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return NULL;
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}
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return ctx;
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}
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struct uci_context* ucix_init_path(const char *path, const char *config_file)
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{
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struct uci_context *ctx = uci_alloc_context();
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if(path)
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uci_set_confdir(ctx, path);
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if(uci_load(ctx, config_file, NULL) != UCI_OK)
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{
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fprintf(stderr, "%s/%s is missing or corrupt\n", ctx->savedir, config_file);
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return NULL;
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}
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return ctx;
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}
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void ucix_cleanup(struct uci_context *ctx)
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{
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uci_free_context(ctx);
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}
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void ucix_save(struct uci_context *ctx)
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{
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uci_set_savedir(ctx, "/tmp/.uci/");
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uci_save(ctx, NULL);
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}
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void ucix_save_state(struct uci_context *ctx)
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{
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uci_set_savedir(ctx, "/var/state/");
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uci_save(ctx, NULL);
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}
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const char* ucix_get_option(struct uci_context *ctx, const char *p, const char *s, const char *o)
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{
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struct uci_element *e = NULL;
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const char *value = NULL;
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if(ucix_get_ptr(ctx, p, s, o, NULL))
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return NULL;
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if (!(ptr.flags & UCI_LOOKUP_COMPLETE))
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return NULL;
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e = ptr.last;
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switch (e->type)
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{
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case UCI_TYPE_SECTION:
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value = uci_to_section(e)->type;
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break;
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case UCI_TYPE_OPTION:
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switch(ptr.o->type) {
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case UCI_TYPE_STRING:
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value = ptr.o->v.string;
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break;
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default:
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value = NULL;
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break;
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}
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break;
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default:
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return 0;
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}
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return value;
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}
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int ucix_get_list(char *value[254][64], struct uci_context *ctx, const char *p, const char *s, const char *o)
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{
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struct uci_element *e = NULL;
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//char *value[64][64];
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int n;
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if(ucix_get_ptr(ctx, p, s, o, NULL))
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return NULL;
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if (!(ptr.flags & UCI_LOOKUP_COMPLETE))
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return NULL;
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e = ptr.last;
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switch (e->type)
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{
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case UCI_TYPE_OPTION:
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switch(ptr.o->type) {
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case UCI_TYPE_LIST:
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// value = ptr.o->v.list;
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n = 0;
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uci_foreach_element(&ptr.o->v.list, e) {
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printf("list %i %s\n", n, e->name);
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// printf("%s%s", (sep ? delimiter : ""), e->name);
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// sep = true;
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sprintf(value[n],e->name);
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n++;
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}
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break;
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default:
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n = 0;
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value[0][0] = "";
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break;
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}
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break;
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default:
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return 0;
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}
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return n;
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}
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int ucix_get_option_int(struct uci_context *ctx, const char *p, const char *s, const char *o, int def)
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{
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const char *tmp = ucix_get_option(ctx, p, s, o);
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int ret = def;
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if (tmp)
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ret = atoi(tmp);
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return ret;
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}
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void ucix_add_section(struct uci_context *ctx, const char *p, const char *s, const char *t)
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{
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if(ucix_get_ptr(ctx, p, s, NULL, t))
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return;
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uci_set(ctx, &ptr);
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}
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void ucix_add_option(struct uci_context *ctx, const char *p, const char *s, const char *o, const char *t)
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{
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if(ucix_get_ptr(ctx, p, s, o, (t)?(t):("")))
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return;
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uci_set(ctx, &ptr);
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}
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void ucix_add_option_int(struct uci_context *ctx, const char *p, const char *s, const char *o, int t)
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{
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char tmp[64];
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snprintf(tmp, 64, "%d", t);
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ucix_add_option(ctx, p, s, o, tmp);
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}
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void ucix_del(struct uci_context *ctx, const char *p, const char *s, const char *o)
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{
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if(!ucix_get_ptr(ctx, p, s, o, NULL))
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uci_delete(ctx, &ptr);
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}
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void ucix_revert(struct uci_context *ctx, const char *p, const char *s, const char *o)
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{
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if(!ucix_get_ptr(ctx, p, s, o, NULL))
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uci_revert(ctx, &ptr);
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}
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void ucix_for_each_section_type(struct uci_context *ctx,
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const char *p, const char *t,
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void (*cb)(const char*, void*), void *priv)
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{
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struct uci_element *e;
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if(ucix_get_ptr(ctx, p, NULL, NULL, NULL))
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return;
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uci_foreach_element(&ptr.p->sections, e)
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if (!strcmp(t, uci_to_section(e)->type))
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cb(e->name, priv);
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}
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int ucix_commit(struct uci_context *ctx, const char *p)
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{
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if(ucix_get_ptr(ctx, p, NULL, NULL, NULL))
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return 1;
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return uci_commit(ctx, &ptr.p, false);
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}
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bool ucix_string_copy(char *dest, size_t j, char *src)
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{
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size_t i; /* counter */
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if (src != 0) {
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for (i = 0; i < j; i++) {
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if (src[i]) {
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dest[i] = src[i];
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} else {
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dest[i] = 0;
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}
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}
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return true;
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}
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return false;
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}
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